1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* see bouncycastle_license.txt */
package com.lowagie.bc.asn1;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Enumeration;
public class DERConstructedSet
extends ASN1Set
{
public DERConstructedSet()
{
}
/**
* @param obj - a single object that makes up the set.
*/
public DERConstructedSet(
DEREncodable obj)
{
this.addObject(obj);
}
/**
* @param v - a vector of objects making up the set.
*/
public DERConstructedSet(
DEREncodableVector v)
{
for (int i = 0; i != v.size(); i++)
{
this.addObject(v.get(i));
}
}
public void addObject(
DEREncodable obj)
{
super.addObject(obj);
}
public int getSize()
{
return size();
}
/*
* A note on the implementation:
* <p>
* As DER requires the constructed, definite-length model to
* be used for structured types, this varies slightly from the
* ASN.1 descriptions given. Rather than just outputing SET,
* we also have to specify CONSTRUCTED, and the objects length.
*/
void encode(
DEROutputStream out)
throws IOException
{
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
DEROutputStream dOut = new DEROutputStream(bOut);
Enumeration e = this.getObjects();
while (e.hasMoreElements())
{
Object obj = e.nextElement();
dOut.writeObject(obj);
}
dOut.close();
byte[] bytes = bOut.toByteArray();
out.writeEncoded(SET | CONSTRUCTED, bytes);
}
}
|
